body,button,dd,dl, dt,form, h1, h2, h3, h4, h5, h6, hr, input, legend, li, ol, p, pre, td, textarea, th, ul,a,div,span {
    margin: 0;
    padding: 0;
}
ul{
 list-style: none;
}
a{
 text-decoration: none;
}
.clear{
 clear: both;